Table 10: MTU Values for ADSL2+ Mini-PIM (Encapsulation), VDSL-
Mini-PIM AT mode (Encapsulation), and G.SHDSL Mini-PIM
(Encapsulation) (continued)
Maximum MTU
(Bytes)
Logical Interface
MTU
(Bytes)–Default
Physical Interface
MTU
(Bytes)–DefaultMini-PIM
448215004482atm-mlppp-llc
448214924482ppp-over-ether-over-atm-llc
Related
Documentation
SRX Series Services Gateway Mini-Physical Interface Modules Overview on page 7•
• Physical Interface Modules Supported on SRX Series Services Gateways on page 6
• SRX Series Services Gateway Interface Modules and Compatibility on page 11
Power over Ethernet Support on SRX Series Services Gateway Interfaces
Power over Ethernet (PoE) supports the implementation of the IEEE 802.3 af and IEEE
802.3 at standards, which allow both data and electric power to pass over a copper
Ethernet LAN cable.
The SRX550 and SRX650 Services Gateways provide PoE ports, which supply electric
power over the same ports that are used for connecting network devices. PoE ports allow
you to plug in devices that require both network connectivity and electric power, such as
voice over IP (VoIP) and IP phones and wireless access points.
The PoE ports for the SRX550 and SRX650 Services Gateway reside on the individual
XPIMs. The services gateway supports the following XPIMs with PoE:
•
16-Port Gigabit Ethernet XPIM
•
24-Port Gigabit Ethernet XPIM
The active Services and Routing Engine manages the overall system PoE power. You can
configure the services gateway to act as power sourcing equipment to supply the power
to the GPIMs connected on the designated PoE ports.
Table 11 on page 16 lists the SRX550 and SRX650 Services Gateway PoE specifications.
Table 11: SRX550 and SRX650 Services Gateway PoE Specifications
Values
Power Management
Schemes
•
IEEE 802.3 af
•
IEEE 802.3 at
•
Legacy
Supported standards
Copyright © 2015, Juniper Networks, Inc.16
SRX Series Services Gateways for the Branch Physical Interface Modules Reference
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